Import Tetramethyl Ammonium Hydroxide — Buy in wholesale FOB from Supplier in China
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Tetramethyl Ammonium Hydroxide
Tetramethylammonium hydroxide, abbreviated TMAH, is a quaternary ammonium compound with the formula C4H13NO. It is supplied either as a solid hydrate or as a colourless aqueous solution that gives off a characteristic ammonia‑like odor. The electronic‑grade material typically meets a purity of 99.0 % or higher, as stated in the supplier’s specification. The compound is fully soluble in water and is recognised for its strong basicity.
In the chemicals market TMAH is commonly offered as 10‑25 % w/w aqueous solutions, which is the typical concentration range for semiconductor processing. The solution density is about 1.02 g mL‑1 at 20 °C (typical) and it remains stable when stored at ambient temperatures. The solid hydrate form is packaged in sealed containers to prevent moisture uptake. As a corrosive agent it can attack metals and tissue, so handling requires appropriate protective equipment.
The primary users are semiconductor fabs that employ TMAH as a developer and etchant in photolithography, as well as research laboratories that need a strong organic base catalyst. The product is traded in 25 L drums, 200 L drums and bulk IBC containers, allowing bulk procurement for large‑scale manufacturing. Buyers should confirm the minimum order quantity, lead time and Incoterms such as FOB or CIF directly with the supplier before placing an order.
| Chemical name | Tetramethylammonium hydroxide (TMAH) |
| Formula | C4H13NO |
| Purity (electronic grade) | ≥99.0 % (typical) |
| Physical state | Solid hydrate or colourless aqueous solution |
| Typical concentration range | 10‑25 % w/w aqueous (typical) |
| Density (20 °C) | 1.02 g mL‑1 (typical) |
| Odour | Ammonia‑like (characteristic) |
| Solubility in water | Completely soluble (standard) |
| Packaging options | 25 L drums, 200 L drums, IBC containers (standard) |
| Hazard classification | Corrosive to metals and tissue (standard) |
Wuhan Dachu Hexing Technology Co., Ltd is located at Building 3, District 5, Wuhan University Science Park, Wuhan 430200, Hubei, China. The company is listed as an imported‑tier supplier and carries a harbour‑level trust tier on the platform. Its response rate is recorded as 0 % with no average response time, indicating that the platform does not have recent reply data. The supplier’s profile does not disclose certifications, production capacity or specific quality management systems.
The listing highlights the availability of tetramethylammonium hydroxide in solid and aqueous forms, but provides no further detail on manufacturing processes or third‑party testing. Prospective buyers must request a certificate of analysis and any relevant safety data sheets directly from the supplier to verify compliance with their own specifications.
Tetramethylammonium hydroxide (TMAH) is a quaternary ammonium compound available as a solid hydrate or colorless aqueous solution with a characteristic ammonia-like odor. Widely used as an organic base catalyst, developer in semiconductor photolithography, and etchant in electronics manufacturing, electronic grade TMAH typically meets 99.0%+ purity specifications. This specialty chemical is traded globally in 25L drums, 200L drums, and IBC containers, with pricing varying by concentration (typically 10-25% aqueous solution) and grade for import and export.
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Sourcing Tetramethyl Ammonium Hydroxide from Wuhan Dachu Hexing Technology Co., Ltd - China Import Guide
Before placing an order, importers should request the latest certificate of analysis, safety data sheet and any available test reports to verify purity, concentration and compliance with relevant chemical regulations. Confirm that the product’s packaging matches the required bulk volume and that the supplier can meet any specific labeling or marking requirements.
Logistics for TMAH typically involve bulk transport in sealed drums or IBCs, with common Incoterms such as FOB Wuhan port or CIF Shanghai. Lead times are not disclosed in the listing, so buyers need to ask the supplier for estimated production and shipment schedules. Payment terms are also to be agreed directly, with standard practices ranging from advance payment to documentary letters of credit.
Quality assurance can be enhanced by arranging a pre‑shipment inspection or third‑party testing of the batch against the supplied certificate of analysis. Importers should also ensure that customs documentation includes the correct HS code for tetramethylammonium hydroxide and that any import licences required by Chinese export regulations are obtained. Maintaining clear communication with the supplier throughout the process reduces the risk of delays or non‑conformance.
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30 suppliersBuy Tetramethyl Ammonium Hydr in Bulk — Verified Supplier in China
When sourcing Tetramethyl Ammonium Hydroxide for your business, securing the right balance of quality and cost is essential. Wuhan Dachu Hexing Technology Co., Ltd, a verified supplier based in China, offers this product with key specifications including Electronic/Semiconductor Grade, Industrial Grade, Pharmaceutical Grade, ≥99.0% (electronic grade); ≥95.0% (industrial grade); typically supplied as 10-25% aqueous solution, and Colorless liquid (aqueous solution) or white crystalline solid (pentahydrate form). By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $1000/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is actively traded under HS Code 2923.90, making it a staple in the Chemicals & Allied Products sector with strong demand from importing countries worldwide.
Tetramethyl Ammonium Hydr Specifications, Trade Terms & Pricing
Importing Tetramethyl Ammonium Hydr requires careful attention to shipping logistics, customs compliance, and secure payment terms. Wuhan Dachu Hexing Technology Co., Ltd offers flexible shipping options such as Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. To ensure a smooth transaction, buyers should verify import duties for HS Code 2923.90 in their destination country. Common payment methods for international B2B transactions include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P). All transactions and RFQs are facilitated through EximNext, a leading global B2B marketplace designed to make cross-border trade secure and efficient.
About Wuhan Dachu Hexing Technology Co., Ltd — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Tetramethyl Ammonium Hydr has been verified on our platform. Whether you are a distributor, wholesaler, or procurement manager, you can request a free quotation, ask for product samples, and finalize your bulk purchase with confidence. EximNext hosts thousands of verified manufacturers and exporters across 200+ countries. Explore similar products in the Chemicals & Allied Products category and connect with top-tier exporters on our comprehensive import export marketplace. Start your sourcing journey today.
Import Tetramethyl Ammonium Hydr — Shipping, Logistics & Customs
Importing Tetramethyl Ammonium Hydr requires careful attention to shipping logistics, customs compliance, and secure payment terms. Common shipping options include Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Buyers should verify import duties for HS Code 2923.90 in their destination country. Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P).
Frequently Asked Questions About Tetramethyl Ammonium Hydr
What is the wholesale price of Tetramethyl Ammonium Hydroxide?
The current listed wholesale price for Tetramethyl Ammonium Hydroxide from Wuhan Dachu Hexing Technology Co., Ltd is $1000/Bags on FOB terms from China. Prices may vary depending on order volume, packaging, and destination. For the most accurate bulk quote, send a direct RFQ to Wuhan Dachu Hexing Technology Co., Ltd through EximNext.
What is the Minimum Order Quantity (MOQ) for Tetramethyl Ammonium Hydr?
The supplier, Wuhan Dachu Hexing Technology Co., Ltd, has set a Minimum Order Quantity (MOQ) of 1 Bags for Tetramethyl Ammonium Hydr. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Tetramethyl Ammonium Hydroxide?
For international shipping and customs clearance, Tetramethyl Ammonium Hydroxide is classified under HS Code 2923.90. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Tetramethyl Ammonium Hydr from China?
To import Tetramethyl Ammonium Hydr from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Wuhan Dachu Hexing Technology Co., Ltd. Ensure you have the necessary import licenses for Chemicals & Allied Products products in your destination country.
Is Wuhan Dachu Hexing Technology Co., Ltd a verified supplier?
Yes, Wuhan Dachu Hexing Technology Co., Ltd is a verified supplier on EximNext. You can view their complete company profile, business registration details, certifications, and export history before placing a bulk order.
What are the key specifications of Tetramethyl Ammonium Hydroxide?
The key specifications for Tetramethyl Ammonium Hydroxide supplied by Wuhan Dachu Hexing Technology Co., Ltd include Electronic/Semiconductor Grade, Industrial Grade, Pharmaceutical Grade, ≥99.0% (electronic grade); ≥95.0% (industrial grade); typically supplied as 10-25% aqueous solution, and Colorless liquid (aqueous solution) or white crystalline solid (pentahydrate form). For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to the supplier through EximNext.
What packaging options are available for bulk orders of Tetramethyl Ammonium Hydr?
Wuhan Dachu Hexing Technology Co., Ltd offers Tetramethyl Ammonium Hydr with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Tetramethyl Ammonium Hydr the most?
Tetramethyl Ammonium Hydr is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Wuhan Dachu Hexing Technology Co., Ltd through our platform.
What certifications does this Tetramethyl Ammonium Hydr supplier hold?
Wuhan Dachu Hexing Technology Co., Ltd maintains international quality certifications. These ensure that the Tetramethyl Ammonium Hydr meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Tetramethyl Ammonium Hydroxide on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Wuhan Dachu Hexing Technology Co., Ltd will respond with a detailed wholesale quote including FOB pricing, lead time, and payment options.
What payment methods are accepted?
Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services. Confirm accepted terms directly with Wuhan Dachu Hexing Technology Co., Ltd.
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